UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+2CzMEbfbDFrmymkJL2Kfvq0IyiwGSWMU7kS17lhSb4=' 
WHERE 
  key_id = '30da4962ade9ff795eb4f1501ec953c07c97c833db93f84c642c3ed930a8d735' 
  AND (
    token = '+2CzMEbfbDFrmymkJL2Kfvq0IyiwGSWMU7kS17lhSb4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )